420 Chain Master Link Connector for 50cc 70cc 90cc 110cc 125cc Motorcycle Dirt Pit Bike ATV Quad Go Kart 4 wheeler Honda XR50 CRF50 Yamaha Kawasaki Suzuki NST Brand new chain master link for 420 chain Fit most 50cc 70cc 90cc 110cc 125cc ATVs and dirt bikes with 420 chain